You cannot half watch a Danish subtitled drama while tweeting, if you do you may well miss that vital clue or coalition negotiation. They force the viewer to put down their phone, switch off their laptop, slip on a nice knitted jumper and convince themselves that if they concentrate hard enough they really can understand Danish.
There we were, thinking the end of The Killing meant we'd had our fill of Danish intrigue. Instead, BBC4 has cannily filled the Saturday night gap lef...